Update 2022-08-24 (2): According to further media reports, the 7-day quarantine for unvaccinated or not fully vaccinated travellers will also be abolished as of Monday (29 August). From then on, affected travellers will only have to present a PCR test that is no more than 48 hours old. An official entry permit to be applied for in advance will no longer be necessary from this point on.
Update 2022-08-24 (1): On Monday (29 August), the mask requirement in Singapore will be largely lifted, though it will continue to apply in public transportation and medical facilities from that date.